code: def is_dask_lib(df_lib) -> bool:
      """Returns whether the dataframe library is dask."""
      return df_lib.__name__ == DASK_MODULE_NAME
  
file_path: ludwig/ludwig/utils/dataframe_utils.py
imports: from typing import Dict, List, Optional, Tuple
  import numpy
  import pandas
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.constants import DASK_MODULE_NAME
  from ludwig.data.dataframe.base import DataFrameEngine
  from ludwig.utils.types import DataFrame
label_desc: Use image node_id 1 for calling a global function with example usage: is_dask_lib(df_lib) and returns: unknown